do_one_initcall+0x233/0x820 init/main.c:1269
 do_initcall_level+0x137/0x1f0 init/main.c:1331
 do_initcalls+0x69/0xd0 init/main.c:1347
 kernel_init_freeable+0x3d9/0x570 init/main.c:1579
 kernel_init+0x1d/0x1d0 init/main.c:1469
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:154!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6816 Comm: syz.1.239 Not tainted 6.16.0-rc3-next-20250624-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:filemap_unaccount_folio+0x715/0x790 mm/filemap.c:154
Code: f7 c8 ff 48 89 df 48 c7 c6 00 3e 94 8b e8 93 02 11 00 90 0f 0b e8 0b f7 c8 ff 48 89 df 48 c7 c6 e0 3c 94 8b e8 7c 02 11 00 90 <0f> 0b e8 f4 f6 c8 ff 48 89 df 48 c7 c6 00 3e 94 8b e8 65 02 11 00
RSP: 0018:ffffc9000cc26fe0 EFLAGS: 00010046
RAX: a548924031310b00 RBX: ffffea0001448000 RCX: a548924031310b00
RDX: 0000000000000005 RSI: ffffffff8db7f60f RDI: ffff88802da11e00
RBP: 0000000000000001 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000040
R13: 1ffffd4000289000 R14: 1ffffd4000289001 R15: ffffea0001448008
FS:  00007fed49c3b6c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c33fcce CR3: 000000007505a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __filemap_remove_folio+0xc3/0x500 mm/filemap.c:223
 filemap_remove_folio+0xe6/0x1f0 mm/filemap.c:253
 hugetlb_delete_from_page_cache fs/hugetlbfs/inode.c:334 [inline]
 remove_inode_single_folio fs/hugetlbfs/inode.c:539 [inline]
 remove_inode_hugepages+0x594/0x1100 fs/hugetlbfs/inode.c:596
 hugetlbfs_punch_hole fs/hugetlbfs/inode.c:719 [inline]
 hugetlbfs_fallocate+0xbc7/0x1100 fs/hugetlbfs/inode.c:745
 vfs_fallocate+0x6a0/0x830 fs/open.c:341
 madvise_remove mm/madvise.c:1037 [inline]
 madvise_vma_behavior+0x23ad/0x2a20 mm/madvise.c:1268
 madvise_walk_vmas mm/madvise.c:1589 [inline]
 madvise_do_behavior+0x6a9/0xad0 mm/madvise.c:1848
 do_madvise+0x189/0x240 mm/madvise.c:1941
 __do_sys_madvise mm/madvise.c:1950 [inline]
 __se_sys_madvise mm/madvise.c:1948 [inline]
 __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:1948
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fed48d8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fed49c3b038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fed48fb6160 RCX: 00007fed48d8e929
RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
RBP: 00007fed48e10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fed48fb6160 R15: 00007ffe40594968
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_unaccount_folio+0x715/0x790 mm/filemap.c:154
Code: f7 c8 ff 48 89 df 48 c7 c6 00 3e 94 8b e8 93 02 11 00 90 0f 0b e8 0b f7 c8 ff 48 89 df 48 c7 c6 e0 3c 94 8b e8 7c 02 11 00 90 <0f> 0b e8 f4 f6 c8 ff 48 89 df 48 c7 c6 00 3e 94 8b e8 65 02 11 00
RSP: 0018:ffffc9000cc26fe0 EFLAGS: 00010046
RAX: a548924031310b00 RBX: ffffea0001448000 RCX: a548924031310b00
RDX: 0000000000000005 RSI: ffffffff8db7f60f RDI: ffff88802da11e00
RBP: 0000000000000001 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000040
R13: 1ffffd4000289000 R14: 1ffffd4000289001 R15: ffffea0001448008
FS:  00007fed49c3b6c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c33fcce CR3: 000000007505a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400